The serving team announces their score first.
In the absence of a referee or score keepers on the side, typically the person serving the ball would call out the score before they serve.
I have been playing volleyball for 6 years and the score has never started at 4
the scorekeepers keep the score and also do the book for volleyball
when they score
Its the official way to keep score
Indoor volleyball is 25. Beach volleyball is __
about 2 points I think you can score more though . :D i heart volleyball